Sylvester, William, 1922-1995 (Personal Name)

2001, a space odyssey [VR] 1988: credits (William Sylvester)

Halliwell's filmgoer's companion, 1988 (Sylvester, William, 1922- )

IMDb, July 3, 2003 (William Sylvester; b. Jan. 31, 1922, Oakland, Calif.; d. Jan. 25, 1995, Butte County, Calif.; actor, 1940s-1970s)